Patent US5423447A successfully refreshed from Google Patents.
US5423447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable water-tight sump
Assignee: Advanced Polymer Technology Inc
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Filing: 1993-09-10
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Granted: 1995-06-13
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Expires: 2013-09-10
Abstract
Abstract A height adjustable water-tight sump for use in hazardous waste storage systems. The sump comprises an inspection cover, an access cover, a riser section and a base. The riser section has alternately adjacent threaded sections and grip sections in appropriate areas along the riser for height adjustment of the sump in that, at a desired height, the riser section may be cut off to conform to that desired height. To form the sump the riser section is threadably engageable with the base, the access cover is threadably engageable with the riser section, and the inspection cover is threadably engageable with the access cover.
Inventors
- 👤 Andrew Youngs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:47
CPC Classifications
F; F16; F16N; F16N31/00; F16N31/002; E; E02; E02D; E02D29/00; E02D29/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
85 words
A sump comprising: housing means defining the body of the sump; means for inspecting interior of said housing; means for accessing interior of said housing; and means for threadably adjusting height of said housing, wherein said height adjusting means further comprises: a tubular riser section defining sidewalls of said housing and having alternately adjacent threaded sections and grip sections located along the riser for providing vertical adjustment of said riser section by cutting and removing adjacent pairs of said threaded sections and said grip sections.
Claim 2
Dependent Claim
85 words
A sump comprising: housing means defining the body of the sump; means for inspecting interior of said housing; means for accessing interior of said housing; and means for threadably adjusting height of said housing, wherein said height adjusting means further comprises: a tubular riser section defining sidewalls of said housing and having alternately adjacent threaded sections and grip sections located along the riser for providing vertical adjustment of said riser section by cutting and removing adjacent pairs of said threaded sections and said grip sections.
Claim 3
Dependent Claim
41 words
The sump of claim 1 wherein said housing means further comprises a base threadably received on said housing, and a grip section formed on said height adjusting means to form a water-tight seal between the base and the height adjusting means.
Claim 4
Dependent Claim
29 words
The sump of claim 1 wherein said inspection means, accessing means and height adjusting means are formed of a gasoline-resistant polymeric material for use in a gasoline storage tank.
Claim 5
Dependent Claim
31 words
The sump of claim 1 wherein said access means further comprises an access cover threadably received on said riser and complementarily engageable with said riser section to form a water-tight seal.
Claim 6
Dependent Claim
26 words
The sump of claim 4 wherein said inspecting means further comprises an inspection cover threadably received on said access cover for visual inspection of said sump.
Claim 7
Dependent Claim
118 words
A sump comprising: a riser section having alternately adjacent threaded sections and engageable grip sections located along the riser; an access cover threadably received on said riser section and engageable with said grip sections for a water-tight seal; an inspection cover threadably received on said access cover for visual inspection of said pump; and a base threadably received on said riser section, wherein said grid sections comprise sealing ridges and a cut portion said cut portion located between the sealing ridges, and said riser section is vertical adjustable to cutting and removing adjacent pairs of said threaded sections and said grip sections at the cut portion while leaving the sealing ridges exposed for engagement with said access cover.
Claim 8
Dependent Claim
118 words
A sump comprising: a riser section having alternately adjacent threaded sections and engageable grip sections located along the riser; an access cover threadably received on said riser section and engageable with said grip sections for a water-tight seal; an inspection cover threadably received on said access cover for visual inspection of said pump; and a base threadably received on said riser section, wherein said grid sections comprise sealing ridges and a cut portion said cut portion located between the sealing ridges, and said riser section is vertical adjustable to cutting and removing adjacent pairs of said threaded sections and said grip sections at the cut portion while leaving the sealing ridges exposed for engagement with said access cover.
Claim 9
Dependent Claim
27 words
The sump of claim 6 wherein said inspection cover, said access cover, said riser section and said base are each separately formed using a gasoline-resistant polymeric material.
Claim 10
Dependent Claim
145 words
A vertically adjustable sump for use in a gasoline storage tank system comprising: a main housing formed of a gasoline-resistant polymeric material and comprising: a tubular riser section defining sidewalls of said housing and having alternately adjacent threaded sections and grip sections located along the riser, said grip sections comprising sealing ridges and a cut portion, said cut portion located between the sealing ridges, said threaded sections and grip sections providing vertical adjustment of said riser section by cutting and removing adjacent pairs of said threaded sections and said grip sections while leaving the grip sections exposed at the cut portion; an access cover threadably received on said riser and engageable with said grip sections of the riser section; an inspection cover threadably received on said access cover for visual inspection of interior of said sump; and a base threadably received on said riser section.
Claim 11
Dependent Claim
145 words
A vertically adjustable sump for use in a gasoline storage tank system comprising: a main housing formed of a gasoline-resistant polymeric material and comprising: a tubular riser section defining sidewalls of said housing and having alternately adjacent threaded sections and grip sections located along the riser, said grip sections comprising sealing ridges and a cut portion, said cut portion located between the sealing ridges, said threaded sections and grip sections providing vertical adjustment of said riser section by cutting and removing adjacent pairs of said threaded sections and said grip sections while leaving the grip sections exposed at the cut portion; an access cover threadably received on said riser and engageable with said grip sections of the riser section; an inspection cover threadably received on said access cover for visual inspection of interior of said sump; and a base threadably received on said riser section.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-06-12 | 1998-12-12 | 1999-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-06-12 | 2002-12-12 | 2003-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-06-12 | 2006-12-12 | 2007-06-13 | $7700.00 | Window Closed / Lapsed |